Comments (3)
Did more digging into this error. Seems that tomorrow breaks if any type-checking whatsoever is done on the resulting object. So passing the results into most any library function should break.
from tomorrow.
Super valid complaint. It's actually unrelated to the kind of class being used -- it's simply that calls to isinstance
and type(obj)
don't actually trigger a __getattr__
call.
You can fix this by doing literally anything to the result object before calling a function that checks the results type. I would recommend calling tomorrow._wait()
explicitly in these circumstances. Simplified example below:
import base64
import json
from tomorrow import threads
import requests
def save_image_json(images, filename):
with open(filename, 'a') as sink:
for i, image in enumerate(images):
results = return_image_json(image)
results._wait()
sink.write(results)
@threads(4)
def return_image_json(image_link):
response = requests.get(image_link)
encoded = "data:%s;base64,%s" % (response.headers['Content-Type'], base64.b64encode(response.content))
return json.dumps({image_link: encoded}) + '\n'
if __name__ == "__main__":
# koala images
images = [
'http://i.imgur.com/1p5nKyZ.jpg',
'http://i.imgur.com/lDt3nJ8.jpg',
'http://i.imgur.com/hkUeCBT.jpg',
'http://i.imgur.com/ZglSElj.jpg'
]
save_image_json(images, filename='koalas.json')
I'm going to look into forcing isinstance
and type
to trigger resolution of the future, but I'm not entirely certain this is possible. If that doesn't work I'll probably just end up updating the README to make sure people are aware of this edge case.
from tomorrow.
if I have the error after run code,what I get is all the Tomorrow class. Is there any method to deal with it?
from tomorrow.
Related Issues (16)
- Support @processes(n) with ProcessPoolExecutor HOT 2
- threads(n) get rid of that n! HOT 2
- Example contains two imports of time module. HOT 3
- cannot import name threads HOT 5
- Does this support Python3 HOT 7
- run test.py error HOT 1
- Document `timeout` argument.
- Tomorrow prevents script from terminating HOT 3
- Function returns object type of Tomorrow when decorated HOT 3
- Will it support retry after raising a timeout exception?
- tomorrow pip package installs tests for no real reason HOT 3
- "Syntax Error" in Python version 3.8.1 async name HOT 1
- Python 3 compatibility
- This code does not work on python3 HOT 4
- Clarify which versions of Python are supported HOT 4
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from tomorrow.